Are yields for organic farming different from conventional farming yields? Independent random samples from method A (organic farming) and method B (conventional farming) gave the following information about yield of lima beans (in tons/acre). (Reference: Agricultural Statistics, United States Department of Agriculture.)
Are yields for organic farming different from conventional farming yields? Independent random samples from method A (organic farming) and method B (conventional farming) gave the following information about yield of lima beans (in tons/acre). (Reference: Agricultural Statistics, United States Department of Agriculture.)
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Are yields for organic farming different from conventional farming yields? Independent random samples from method A (organic farming) and method B (conventional farming) gave the following information about yield of lima beans (in tons/acre). (Reference: Agricultural Statistics, United States Department of Agriculture.)
| Method A | 1.30 | 1.87 | 1.29 | 1.68 | 1.36 | 1.12 | 1.60 | 1.92 | 1.13 | 1.27 | 1.73 | |
| Method B | 1.71 | 1.62 | 2.31 | 1.89 | 1.34 | 2.25 | 2.12 | 1.45 | 1.46 | 1.97 | 1.74 | 1.18 |
Use a 1% level of significance to test the hypothesis that there is no difference between the yield distributions.
(a) What is the level of significance?
(b) Compute the sample test statistic. (Use 2 decimal places.)
(c) Find the P-value of the sample test statistic. (Use 4 decimal places.)
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